What is the total number of oxygen atoms in the formula MgSO4•7H2O? [The • represents seven units of H2O attached to one unit of MgSO4.]
(1) 11 (3) 5
(2) 7 (4) 4

Question

02-06-2015
Chemistry

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What is the total number of oxygen atoms in the formula MgSO4•7H2O? [The • represents seven units of H2O attached to one unit of MgSO4.]
(1) 11 (3) 5
(2) 7 (4) 4

Sagot :

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